The Oscar Dyson class research vessels were built in 2005 for the National Oceanic and Atmospheric Administration and are dedicated to fisheries and oceanographic research with specialized sampling equipment. The ships operate in challenging marine environments with reliable performance and advanced laboratories. The class supports ecosystem monitoring with professional operations and reinforced hulls. The vessels feature modern scientific facilities for long-duration missions.
| Ship Name | Line Name |
|---|---|
| Bell M. Shimada | National Oceanic and Atmospheric Administration |